Home / 35,305.75-48,726.26-20,401.75

Finding the Fourth Proportional to 35,305.75, 48,726.26 and 20,401.75

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Solution

The fourth proportional to 35,305.75, 48,726.26 and 20,401.75 is: 28,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.75 : 48,726.26 = 20,401.75 : x
  2. Step 2: Convert to fraction form
    35,305.75/48,726.26 = 20,401.75/x
  3. Step 3: Cross multiply
    35,305.75x = 48,726.26 × 20,401.75
  4. Step 4: Simplify right side
    35,305.75x = 994,100,974.96
  5. Step 5: Solve for x
    x = 994,100,974.96/35,305.75
  6. Step 6: Final answer
    x = 28,156.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.